Yes, maple syrup is low histamine in small amounts. However in large amounts, maple syrup is just as inflammatory as any other type of sugar, as it has a glycemic index score of roughly 54. Even though maple syrup histamine content is directly low, the sugars therein go directly to the gut where they feed bad bacteria, some of which create histamine as a by-product. This means that even though maple syrup is low histamine, it can still contribute to increased histamine levels, so consume in moderation.